Black Rock Weather Forecast

    • 12
    • 19

    Shower

    • 12
    • 20

    Shower

    • 12
    • 19

    Shower

    • 12
    • 20

    Shower

    • 10
    • 18

    Cloudy

    • 6
    • 19

    Partly cloudy

    • 8
    • 20

    Shower

Today 13 Apr Lower South East

Cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds westerly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 19.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell during the morning. Winds turning westerly in the late morning.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure system south of the Bight will move slowly northeast this week allowing a series of fronts to pass over the southeast on Wednesday and Thursday. A second high pressure system is expected to follow and become established well south of the Bight by Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Black Rock Temperature Statistics View More

April Temperature

Mount Gambier Airport (34km)

  • Lowest 4 April, 2026

    3.6 °C

  • Average April

    14.1 °C

  • Highest 5 April, 2026

    25.3 °C

Climate (2021–Present)

Mount Gambier Airport (34km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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